Stadium: Court 9 Round: 26 Ground: Clay
| ITF M15 Cairo | 2021/09/01 12:00 | Philip Bachmaier v Shohei Chikami | 6-4,6-3 |
| ITF M15 Bad Waltersdorf | 2021/08/23 15:50 | Alen Rogic-Hadzalic v Philip Bachmaier | 6-3,7-5 |
| ITF M15 Bad Waltersdorf | 2021/08/23 07:00 | Gonzalo Achondo v Philip Bachmaier | 0-6,3-6 |
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | David Tomic v Philip Bachmaier | 2-6,2-6 |
| ITF M15 Warmbad-Villach | 2021/08/18 09:40 | Alexander Weis v Philip Bachmaier | 6-1,7-5 |
| ITF M15 Warmbad-Villach | 2021/08/17 08:00 | Philip Bachmaier v Ondrej Horak | 6-2,6-0 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Philip Bachmaier v Gonzalo Achondo | 6-1,6-3 |
| ITF M15 Warmbad-Villach | 2021/08/16 07:00 | Philip Bachmaier v David Tomic | 6-3,6-1 |
| ITF M15 Cairo | 2021/09/01 09:50 | Akram El Sallaly v Ryota Tanuma | 2-6,2-6 |
| ITF M15 Monastir | 2021/07/01 13:00 | Tomas Farjat v Ryota Tanuma | 6-3,6-1 |
| ITF M15 Monastir | 2021/06/29 08:30 | Benjamin Winter Lopez v Ryota Tanuma | 0-6,6-4,3-6 |
| ITF M15 Monastir | 2021/06/22 08:30 | Alejo Lorenzo Lingua Lavallen v Ryota Tanuma | 6-1,6-4 |
| ITF M15 Monastir | 2021/06/16 11:50 | Ryota Tanuma v Santiago Rodriguez Taverna | 6-3,3-6,3-6 |
| ITF M15 Monastir | 2021/06/10 10:30 | Guy Orly Iradukunda v Ryota Tanuma | 2-6,6-4,6-2 |
| ITF M15 Monastir | 2021/06/01 08:50 | Taisei Ichikawa v Ryota Tanuma | 7-6,6-3 |
| ITF M15 Monastir | 2021/03/11 08:30 | Kai Wehnelt v Ryota Tanuma | 6-1,6-4 |